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Continuously phase-matched M-waveguides for second-order nonlinear upconversion

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2 Author(s)
Chowdhury, A. ; Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA ; McCaughan, Leon

We present an analysis of an M-waveguide structure in lithium niobate that provides a new method for second-order nonlinear upconversion processes. M-waveguides can be designed to be continuously phase matched without the use of birefringence or quasi phase matching, and the output wave profile produced is single-lobed in the core region. M-waveguides provide a novel phase-matching technique and are ideal candidates for monolithically integrated circuits.

Published in:

Photonics Technology Letters, IEEE  (Volume:12 ,  Issue: 5 )